migration/rdma: Don't pass the QIOChannelRDMA as an opaque

We can calculate it from the QEMUFile like the caller.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230503131847.11603-6-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
1 file changed